Mary and Alice continue their sisterly bonding, Ryan, Lukeand Sophie are desperate and willing to do almost anything tostop them... even entertaining a dangerous proposition by ReneeMontoya that finally rid Gotham of Pamela Isley. As the teamhunts for the source of Poison Mary's power - and potentialdemise - Renee is forced to revisit her heartbreaking past.Meanwhile, Marquis grows more unhinged and throws aspectacularly sinister soiree at Wayne Tower... and everyone isinvited.
The Conners celebrate Mark when he makes dean's list at his newmagnet school, but when Darlene and the family learn what he'sbeen doing to keep up with his classmates, it's anything but aparty. Meanwhile Jackie continues to navigate her relationshipwith Neville.
Marcel and Blake clash with Shentu when a famous footballplayer needs a liver transplant. Scott is reunited with oldfriends when their son breaks his arm. Hammer and Charles worktogether when a patient falls ill after back-alley plasticsurgery.
On a call with Station 37, a firefighter is struck by a powerline and decides to lash out after her injury. Brett is visitedby Scott and Amelia. Violet gets a surprise envelope. The restof 51 enters a contest.
Voight employs his new informant to help solve a tricky drugtrafficking case. Atwater, who once again struggles toreconcile his personal and professional life, reaches adecision.
The teams must design an electric toothbrush aimed at childrenaged between six and eight, as well as an accompanying appthat encourages them to brush their teeth.
Richard Blais prepares a chicken dinner: Rachael makesmeatballs on garlic mashed potatoes; Alexa von Tobel givessuggestions that could save viewers thousands of dollars.