Batman: The Telltale Series

This trophy is story related and therefore cannot be missed.

Later into the chapter after having left the asylum, you will be in the Batcave with Alfred and Lucius. After examining both the ‘Drug Molecule’ and ‘DNA Clean’, you will then need to create an antidote by matching the 3 strands and rotating them to match the Key Image shown on the left. Press / to switch between each strand and / to rotate each strand.

Bottom strand, press twice.
Top-right strand, press twice.
Top-left strand, press once.

Move the cursor and press to grab the antidote. Move right to then inject yourself with the antidote. You will then leave the Batcave and head to Gotham Heights to visit the Vale residence. Move forward when inside to discover Mrs Vale dead on the floor. Mr Vale will also be found deceased in the Pantry. You will need to walk around the house to examine several clues, then link them together.

The 4 links between all the clues are:

Syringe + Neck Wound
Knife + Hair
Belt Buckle + Wall Indentation
Logo + Family Photo

You’ll hear movement in the house afterwards, press on the stairs to scan for a heat signature then press to remove the hidden panel. You will find the boy in the family photo hiding under the stairs. Shortly afterwards, a drone controlled by Cobblepot will start shooting at you through the windows. Press + to shield the boy. Press to evade, then aim the cursor and press to throw a batarang. Aim again and press . Press then to finally destroy the drone. The trophy pops shortly after Gordon arrives at the scene.