S1·E2 Four Feet Under

The mounting frustration and pressure for Jim to prove himself and make things work as a detective and a person creates more tension with his colleagues and Karen as they collectively investigate the murder of a young boy. Jim's insecurities also begin to seep into his personal life at a dinner party with Christie's coworkers when out of jealousy; he threatens his wife's boss whom he believes was trying to flirt with her. His behavior puts additional strain on the marriage as it brings up unresolved issues for Christie about his past infidelity.