"Samantha Caine" is the main character in the film "The Long Kiss Goodnight," released in 1996. Portrayed by Geena Davis, she is a schoolteacher with amnesia who discovers her hidden past as a skilled assassin. The film combines elements of action and comedy as Samantha embarks on a journey to uncover her true identity. As she unravels her past, Samantha teams up with a private investigator named Mitch Henessey, played by Samuel L. Jackson. Together, they face various threats from her former life, leading to intense action sequences and humorous moments. The film explores themes of self-discovery and empowerment.