After Michael & Tiffany end their five-year relationship, they awaken to find they've switched bodies. Now they are forced to work together to live each other's lives, while doing all they can to make sure friends and coworkers don't suspect a thing.

Season two dives headfirst into the sweltering heat of a Chicago summer, grabs Gallagher family life by the throat, and never lets go. Boozed-up Frank's scams constantly fizzle. Grammy Gallagher visits after a prison stint. Bipolar Monica returns to fan Frank's flames. Fiona plays the field--until Steve comes back with a hot new wife. Lip drops out to care for his and Karen's baby. Ian's gunning for West Point.