Frank has some settlement money coming his way. The only catch - he needs his ex-wife's signature on the documents. Debbie goes on a mission to find out if Steve is cheating on Fiona, only to discover Steve may not be who he says he is at all. Kev and Veronica receive a visit from Ethel's baby son Jonah... and the DCFS. Lip needs money to take Karen on a date so he turns to Steve for help. Meanwhile, Eddie reaches out to Karen and invites her to a Purity Ball.
Things don't end well when Frank's ex-wife Monica shows up, announcing her plan to take Liam. Kash catches Ian and Mickey going at it. An enraged Fiona moves out of the house and in with Steve.
