“AD-LIB” chronicles a few days in the life of Paul, an Irish student who leaves home to study in Prague. In order to meet people in the new city, Paul – a cerebral, nerve-filled, non-performer – signs up for an acting workshop. At the workshop, Paul meets the charismatic Jakub, an aspiring Czech actor who becomes his scene partner for an assignment due the following week. As he rehearses with Jakub, Paul finds himself falling in love, questioning his sexuality while figuring out whether their flirtatious antics are purely for performance purposes.