Suzuki and Trouble are asleep. Sailors' voices are heard from the harbor. Suzuki awakens and taps Butterfly on the shoulder. Suzuki urges her to rest. Butterfly takes her sleeping child into his room.
Someone knocks on the door.
Suzuki is astonished to see Pinkerton and Sharpless. She wants to call Butterfly, but they stop her. Then Suzuki spies a woman in the garden and is devastated to learn that she is Pinkerton's wife. Sharpless urges her to help them convince Butterfly to give up her child to Kate Pinkerton. He rushes away.