Friends, Lovers, & Lunatics (1989)

"Friends, Lovers, & Lunatics" is a 1989 Comedy movie directed by Stephen Withrow and starring by Daniel Stern, Sheila McCarthy. An artist fired from his job comes home and discovers that his wife is having an affair and that she is leaving with her lover. He then sets off in pursuit of them, but in the process runs into another woman who is on the run from her crazed lover who is chasing her as much to get his stolen motorcycle back as he is to actually find her.