Complex sentence: Later, Hanna finds what seems to be a cast of Melissa's face at Hector Lime's studio when Hanna, Aria and Emily investigate the origins of the Alison Mask.
Split into simpler sentences: Later, Hanna finds what seems to be a cast of Melissa's face at Hector Lime's studio. Marin, alongside Aria and Emily, investigate the origins of the Alison Mask.