In 1941 she made Aliya to Mandatory Palestine on the board of the ship "Darian 2" and was arrested by the British Mandate's authorities for being an illegal immigrant. She spent six months in the Mizraa detention camp near Acre, where she met Yitzhak Shamir, and another six months arrest in Atlit detainee camp. She joined the Lehi Jewish militant underground, and served as liaison for Yitzhak Shamir, the organization's commander.