Ex-Besties settle in; Melanie and Ashonti confide in other teams regarding a shocking incident that ultimately ended their friendship; Sibley surprises the teams with a fun night out that quickly turns into the worst night ever.

Still reeling from the house meeting, the Ex-Besties travel to Santa Anita Race Track for a challenge, and their faith in their teammate is put to the test.

For the first time KChris fears being at the bottom; Jenika lets internal conflict, and lack of communication derail them.

The remaining four teams of Ex-Besties square off in their most difficult challenge yet; the team that can truly bury their beef, and work together will be crowned champion of the Battle of the Ex-Besties.