The squad must learn to work together to rescue a stranded pooch.
Little Boo gets overconfident during Captain Tully's training activities
Sweetie's enthusiasm over Dr. Dirt's work causes problems in the lab.
A factory intern’s fatal injury brings Han Jeong-u and Han Geu-ru to his room, where his goals for the future and love for his parents come into view.
A user manual for a device unseen at the crime scene keeps Geu-ru up at night. Sang-gu must make a loan payment by putting up either cash or his fists.
Cho Sang-gu moves in as Geu-ru's legal guardian and new colleague. Geu-ru searches for a mother's message in her stash of cash and bank receipts.
A suit store owner reveals a mother's longstanding wish. Sang-gu is reminded of his costly promise. The trauma cleaners arrive at a bloody crime scene.
Sang-gu begrudgingly took Kim Su-cheol under his wing 10 years ago, unaware that his mentorship would bloom into brotherhood and end in destruction.
Sang-gu is coerced into signing up for a fight in exchange for Geu-ru and the house deed. On a special day, Geu-ru leads Sang-gu down memory lane.
Sang-gu and Geu-ru try to give a proper sendoff to a doting couple who called Move to Heaven after deciding to leave the world together hand in hand.
Not yet ready to let Jeong-u go, Geu-ru runs away from home. As their cohabitation comes to an end, Sang-gu's qualification as a guardian is determined.
Matthew Green's search for his birth mother ends with a heartbreaking misunderstanding. Sang-gu sets out to enter his final fight.
The trauma cleaners search for the loved one of a slain doctor to hand-deliver a box full of regrets, hopes and an unrealized future for two.
Nia wants to take part in a protest to protect the environment, but first, she has to convince her mom to let her attend. Meanwhile, Raven volunteers to help Levi with his S.T.E.M. project but inadvertently takes over.
After an eventful movie shoot, Ma-ha chooses to quit pursuing idol stardom and start a new life, a decision seconded by her teammates Yu Ri-ah and Shim Hyun-ji. In a press conference, reporter Byun Jung-hee causes a stir by questioning Shax about Eun-jo whose disappearance has already caused an emotional toll on Ryok. Meanwhile, Shax's ex-manager Ji Hak returns to the K-pop industry and decides to manage Ma-ha, Ri-ah and Hyun-ji. The trio changes their minds, resolves to accept Ji Hak's offer and adopts the group name "Tea Party." Ji Hak starts implementing his unorthodox way in managing an idol group.