In modern-day Berlin (1987), Frau Kutowski goes insane, believing herself to be the (real-life) notorious Anita Berber, a nude art dancer/drug addict/scandalous figure of post-WWI Berlin. (Berber died of tuberculosis in 1928, having achieved significant success and recognition throughout the dance world.) Frau Kutowski is placed in a mental hospital, where in her own mind she acts out Berber's final days, including in her fantasies the hospital's staff and patients, to represent Anita's friends and associates.
Test pilot Tuck Pendleton volunteers to test a special vessel for a miniaturization experiment. Accidentally injected into a neurotic hypochondriac, Jack Putter, Tuck must convince Jack to find his ex-girlfriend, Lydia Maxwell, to help him extract Tuck and his ship and re-enlarge them before his oxygen runs out.
Navy Lt. Tom Farrell meets a young woman, Susan Atwell , and they share a passionate fling. Farrell then finds out that his superior, Defense Secretary David Brice, is also romantically involved with Atwell.
Veteran buttoned-down LAPD detective Roger Murtaugh is partnered with unhinged cop Martin Riggs, who -- distraught after his wife's death -- has a death wish and takes unnecessary risks with criminals at every turn.