Lisa and Stassi throw Scheana the perfect surprise engagement. Tom lashes out at Jax for his part in the cheating rumors, but later shocks Stassi with his own news. Kristen's meltdown at SUR causes her friends to retreat and support her archrival, Ariana.

In the season finale, SUR's sexy annual photo shoot turns tearful as Stassi attacks Jax for his womanizing, and Lisa helps Tom deal with the growing evidence of Kristen's infidelity. Things come to an explosive head at Scheana's engagement party when Kristen and Tom finally face off with Stassi and Jax.