The Ormskirk to Chester part can be done with an all zone merseyrail daysaver for £5.50Preston-Ormskirk CDR £7.40 +Ormskirk-Chester SDR £8.70 + Chester-Shrewsbury CDR £11.60. = £27.70
Worth noting that a Saveaway is only 5p more at £5.55, and is valid on all train, bus and ferry services within the Merseyside area. As opposed to the DaySaver which is only valid on Merseyrail services.The Ormskirk to Chester part can be done with an all zone merseyrail daysaver for £5.50