The killing of Maryam Al-Hawi

Maryam's apartment explodes, completely charring her under mysterious circumstances, and the accident is definitely planned. Who would kill a meek young engineer who had never been involved in anything before? She left her only friend, Laila, a bag containing an unmarked white card with: a few numbers, a yellow duck, and a piece of writing paper with a person's name on it. Her friend finds herself...