While the Doctor and Professor Song's expedition battle their way through the Library , Donna finds herself recovering at a hospital . Later, she meets Lee during fishing , they get married, and move into their home . Later, she receives a message from a mysterious veiled lady at home , and meets her in the local park ; its Evangelista, who then explains exactly what is going on ...

Meanwhile, at home Cal is losing control and in the Library the Doctor reaches the Library Core and negotiates a truce with the Vashta Nerada . He decides to link his mind to the Core in order to fix Cal and restore the 'saved' people back to the Library but Song takes his place instead. Lux is jubilant to see everybody back in the Library, and after everyone has left the Doctor snaps his fingers and departs in the TARDIS .