After an argument about whether or not to invite their ex-lovers to the wedding, Martin and Gina decide to arrange a test to prove which one of them would be the most jealous of the other's ex. They decide to go out to dinner with Gina's ex, Derrick, and Martin's ex, Tanya. Meanwhile, Pam decides that she and Tommy should not see so much of each other, so that when they do see each, it would be "HOT". (thetvdb.com)