Hank worries a rising tennis star’s health may prevent her from taking her career to the next level, while a fellow pro at her club may have fallen ill from an unexpected source. Later Hank and Evan adjust to a startling revelation about Eddie’s past. And Evan and Paige reach a new milestone. Elsewhere Jeremiah finds peace in an odd place.
Maggie and Emma's preparations for the baby's christening are interrupted when Mark gets into trouble.
Blood is spilled on the Cape Caution, when a brutal storm rips across the Bering Sea. Rookie boat owner, Josh Harris swallows his pride. Captain Sig fights to keep the Northwestern from going up in flames and captain Keith battles boat-sinking ice.
Jane works to solve the murder of a jogger; Jane tries to hide her pregnancy from her mother; Maura and Frankie face the aftermath of their kiss.
Injuries at an Alamo reenactment test the staff. Meanwhile, a disoriented patient suffering from amnesia receives care; Drew helps a severely wounded soldier; Topher schedules a vasectomy operation; and Jordan's boyfriend arrives.
Maggie and Emma fall head over heels for the charming OBGYN who is delivering Maggie's baby.
Christy's race to get married is on track, but things start to move too quickly when she discovers she may be pregnant. Concerned with her daughter's well-being, Briana confronts her ex-husband about his new girlfriend. Tonya and Briana go speed dating to spice up their love lives. When Terra and Tonya get ready for a big performance, nothing can prepare them for what happens on stage.
Rivalries and romances all come to a head on the Palos Hills High School senior ski trip.
April gets a new assignment at work and reports to a new supervisor, Raquel. Sarah urges Brenna to get an after-school job to learn more about responsibility.
Molly takes the lead, while Gus pursues a hunch. Lester manipulates a situation, and Malvo finds a new target.
Bea discovers Simmo has a weakness she can exploit for her own ends. Meanwhile Fletch and Will face off in a confrontation that will end their friendship for good.
Sylvia wakes up imprisoned on Lord Hater's ship with a sleeping Wander and must fight to escape.
Lewis's world is turned upside down when his ex-wife arrives unexpectedly. A crisis in Kane's private life forces him to reconsider his ownership of the pub. Lucy suspects her new-found brother is a con man.
Wander must prevent a sleeping Sylvia from waking up during the night.
Walt splits his time working on a murder investigation and serving as a judge for a local pageant. Cady hopes an old friend can help with Henry's case.
Shortly after being released from prison, a man who proclaimed his innocence is found murdered. The victim's case is reopened and the squad works hard to solve a seventeen-year old murder. To the surprise of Raydor, Rusty confesses the reason behind his recent suspicious activity.
Melody wants to put an end to Emmett getting bullied by Matthew. Meanwhile, Bay feels torn between her feelings for Emmett and Tank; and Daphne is determined to hunt down the individual who vandalized Regina's studio.
Callie and Jude face separation. Brandon suffers guilt after sleeping with Dani.
Jack Bauer and President Heller endure the unthinkable to thwart the terror attacks of mastermind Margot Al-Harazi. Meanwhile, CIA agent Jordan Reed faces a life-or-death struggle and Kate takes drastic measures to track down Margot before it's too late.
When 15 Division goes undercover at a club-land bar that's a possible hub for illegal handguns, Chris's erratic behaviour and concern for a specific drug dealer make Dov suspicious. Meanwhile – after learning Duncan has made serious professional allegations against her – Andy decides to help Sam with a missing person's case that takes a dark turn.