In inventory combine Cordelia's phone number with the cellphone. Click the + icon and then click on both cellphone and phone number.

Erica calls the number and gets a recording that the number is wrong or not in service.

Talk to Rose again and get a new dialogue. Select "help". Rose says she can help if there is another item that is present at exact time the item that is being worked on was done - Synergy.

FBI building: Exit; go downtown and drive back to the FBI HQ.

Tess' desk: Look close at Tess' desk right of Gwen - reception desk. Take the fuzzy pink pen.

Antique Shop: Go back to the Antique Shop. Give the pink pen to Rose.

Learn power of Synergy: Click on the sphere at bottom left.

Open inventory and click-select the items that can be combined or synergized. Combine pink pen and Cordelia's phone number.

Click on the combine icon - synergy at bottom left. Erica learns that more items combined in synergy might make the memory clearer.

Cordelia's phone number: Use the cellphone at top left and select Cordelia's phone number.

Cordelia will meet Erica at the cemetery where her brother is.